Era
Period of discoveries, 1385-1580
3
1526-1765
2
1968-
2
1975-
2
1975-1994
2
20th century
2
John III, 1521-1557
2
approximately 1380-
2
-1583
1
1185-1600
1
1357-1433
1
1394-1460
1
1402-1443
1
1453-1515
1
1469-1521
1
1480-1551
1
1500-1548
1
1500?-1563
1
1542-1616
1
1568-1600
1
16th century
1
1763 - 1899
1
1763-1822
1
1769-1821
1
17th century
1
1891-1975
1
1893-1981, USMA 1915
1
1905-
1
1914-1991
1
1916-1945
1
1920-2001
1
1923-
1
1923-2001
1
1926-
1
1939-1945
1
1945 - 1991
1
1945-1989
1
1945-1991
1
1960-
1
1969-2011
1
1974-
1
1975-1979
1
1993-
1
19th century
1
Boxer Rebellion, 1899-1901
1
Civil War, 2011-
1
Fernando I, 1367-1383
1
Independence and Civil War, 1975-1994
1
Interregnum, 1383-1385
1
John I, 1385-1433
1
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